257181540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55667}}^1$

素因数の和:55697

約数の個数: 96

約数和(自身を含む): 897813504

約数和(自身を除く): 640631964

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 55667, 111334, 167001, 222668, 278335, 334002, 389669, 556670, 612337, 668004, 779338, 835005, 1113340, 1169007, 1224674, 1558676, 1670010, 1837011, 1948345, 2338014, 2449348, 3061685, 3340020, 3674022, 3896690, 4286359, 4676028, 5845035, 6123370, 7348044, 7793380, 8572718, 9185055, 11690070, 12246740, 12859077, 17145436, 18370110, 21431795, 23380140, 25718154, 36740220, 42863590, 51436308, 64295385, 85727180, 128590770, 257181540]

約数ペア:

[(1, 257181540), (2, 128590770), (3, 85727180), (4, 64295385), (5, 51436308), (6, 42863590), (7, 36740220), (10, 25718154), (11, 23380140), (12, 21431795), (14, 18370110), (15, 17145436), (20, 12859077), (21, 12246740), (22, 11690070), (28, 9185055), (30, 8572718), (33, 7793380), (35, 7348044), (42, 6123370), (44, 5845035), (55, 4676028), (60, 4286359), (66, 3896690), (70, 3674022), (77, 3340020), (84, 3061685), (105, 2449348), (110, 2338014), (132, 1948345), (140, 1837011), (154, 1670010), (165, 1558676), (210, 1224674), (220, 1169007), (231, 1113340), (308, 835005), (330, 779338), (385, 668004), (420, 612337), (462, 556670), (660, 389669), (770, 334002), (924, 278335), (1155, 222668), (1540, 167001), (2310, 111334), (4620, 55667)]